ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / MapTool Class / UpdateOverlay Method / UpdateOverlay(IDisposable,Geometry,CIMSymbolReference,Double,Double) Method
The IDisposable instance returned from an AddOverlay method call.
The geometry to be used for the update
The symbol to use for the update.
Map reference scale or -1
Visibility factor for showing the overlay through other objects when obscured in 3D.
Valid range is [0..1], any other value will be treated as 0 (not visible).

In This Topic
    UpdateOverlay(IDisposable,Geometry,CIMSymbolReference,Double,Double) Method
    In This Topic
    Updates the geometry and symbol for an overlay graphic on the map view.
    Syntax
    Protected Overloads Function UpdateOverlay( _
       ByVal overlay As IDisposable, _
       ByVal geometry As Geometry, _
       ByVal symbol As CIMSymbolReference, _
       ByVal referenceScale As Double, _
       ByVal showThrough As Double _
    ) As Boolean

    Parameters

    overlay
    The IDisposable instance returned from an AddOverlay method call.
    geometry
    The geometry to be used for the update
    symbol
    The symbol to use for the update.
    referenceScale
    Map reference scale or -1
    showThrough
    Visibility factor for showing the overlay through other objects when obscured in 3D.
    Valid range is [0..1], any other value will be treated as 0 (not visible).

    Return Value

    True if the overlay was updated. False otherwise.
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also